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【单选题】
在离子方程式2Fe 3+ +Fe=3Fe 2+ 中,Fe 3+ 可能代表的物质是:( )A.
FeSO 4
B.
FeCl 3
C.
Fe 2 O 3
D.
Fe(OH) 3
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举一反三
【单选题】The pair of jeans looks nice _____________Sandy because she looks very nice ________blue.
A.
on, in
B.
in, on
C.
for, on
D.
to, in
【简答题】They were born in _____ (war) times and suffered from pains.
【单选题】( ) 3. -- ________ were Lily and Lucy born ? -- They were born in London on October 10 th .
A.
When
B.
Where
C.
When and where
D.
what
【单选题】以下关于投资估算的说法正确的是
A.
投资估算是在施工图设计阶段完成的
B.
投资估算不是根据平方米、立方米、产量等指标进行的
C.
投资估算是由施工企业编制的
D.
投资估算是控制设计总概算的重要依据
【单选题】This pair of jeans looks nice ____ Sandy because she looks very nice _____ blue.
A.
in , on
B.
on , in
C.
for , on
D.
to , in
【判断题】Why were the people who came to California in the mid-1800s called forty-niners?Because they were born in the year 1849.
A.
正确
B.
错误
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